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Yup. A lot of Asian kids spend 2-3 hours a day studying while little johnny is playing sports. Little johnny gets to sweep floors for a living while the other kids become doctors and nurses.

Well, I take exception to the cultural stereotyping.
However, I agree with the statement about the relative time involved for sports vs academics. DD in middle school has 3-4 hours of homework every night. Her classmates involved in sports spend 3 plus hours every night with team practice and games. DD has decided that she can't afford to spend that much time away from academics, so she chose not to try out for any teams this year. I think it's a very mature decision.